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  1. Research ethics
  2. Ethics approval process
  3. Participant recruitment
    1. Writing a participant information sheet

Participant recruitment

Informed Consent is the process of voluntary agreement by a fully informed competent person to participate in research. Potential participants must be given sufficient information to allow them to decide whether or not they want to take part in a research study.

Writing a form for informed consent

Where research involves personal contact with the researcher such as face to face interviews, focus groups, direct observation, physiological measurements or other methods of data collection involving personal contact, participants should be given a participant information sheet (or leaflet)  and would normally be asked to sign a consent form. In most cases, consent should be actively provided by the participant, but there are instances when implied consent can be used, e.g. an online survey that doesn’t collect any personal or sensitive data and is low risk.

A consent form should be a short document (normally one page but may need to be longer depending on the complexity of the study) containing explicit statements of what taking part in the research project involves and what will become of the data collected.

The consent form should have tick boxes to allow the participant to consent to each of the statements and, when appropriate, allow the participant not to take part in certain aspects of the study by either agreeing or disagreeing to a statement, e.g. not consenting to their data being used in future research. Both the participant and the researcher obtaining consent should sign the form. Two forms should be signed so that the participant can be provided with a signed copy to keep for their records.

Clear evidence must be obtained that the participant has given informed consent to take part in the study. This will normally be in the form of a signed consent form although other evidence may be acceptable (for example by audio recording consent). It is recognised that there are some rare instances when it will not be possible or appropriate to ask for written consent (e.g. where there are cultural or political concerns with signing contract-like documents).

Read the guidelines on verbal consent covered under City's guidance page

Opt-in consent is City’s preferred approach, as Opt-out does not reflect a conscious decision by those invited to accept or decline an invitation to participate in research. Requests for opt-out consent will only be considered in exceptional cases and a full explanation should be provided and cannot be used under the General Data Protection Regulation (GDPR) if consent is the lawful basis upon which the research data is collected for data protection purposes.

There are five other lawful bases upon which personal data can be processed, and the relevant ones are included on the consent form template.  If you have further queries, please contact the Information Compliance Team or 0207 040 4000.

Download the template consent form

Please bear in mind that the template does not cover all eventualities but suggests some potential scenarios.

The consent form should include the following statements:

  • I confirm that I have had the project explained to me, and have read the participant information sheet, which I may keep for my records. I have been given the opportunity to ask questions and have had them answered to my satisfaction.
  • If applicable, a statement asking the participant to consent to audio and or video recording.
  • I understand taking part in the study will involve… (e.g. being interviewed, taking part in a focus group, having physiological measures taken)
  • I understand that my participation is voluntary, that I can choose not to participate in part or all of the project, and that I can withdraw at any stage of the project without being penalized or disadvantaged in any way.
  • I agree to take part in this study.
  • A statement that asks the participant to agree to City, University of London recording and processing this information about them and that they understand that the information collected in the study will be used only for the purpose(s) set out in the consent form.
  • A statement that asks the participant to confirm that they understand how their data will be handled (e.g. stored, destroyed, sharing, what it will be used for).

In addition to the above it would be expected that explicit consent for the following is obtained where applicable:

  • Reuse of data and an explanation what the data will be used for, as well as reassurance that the data will only be reused in studies which have been given ethics approval.
  • The use of direct quotes.
  • Sharing data outside the research team (e.g. with collaborators).
  • If using anonymous online/paper surveys, a statement that asks the participant to confirm that they understand that their data cannot be withdrawn and/or when it is no longer possible to withdraw their data, e.g. once the data has been anonymised.
  • A statement that asks the participant to confirm that they understand that their anonymous data will be made open access, e.g. to underpin journal publication or to meet funding requirements.